Airlie Gardens in Wilmington, North Carolina. This is the glass bottle wall at the Bottle House at Airlie Gardens in Wilmington, North Carolina. The Bottle House is made entirely of glass bottles stacked with the bottom facing outward and set by mortar.
Did you know, you can use common bubble wrap as insulation for windows? I had heard of this bubble wrap trick to save energy before, but had never actually gotten around to trying it. Not for every window, but just an idea to consider.